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board: Add StackChan board. #191

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Merged
lovyan03 merged 1 commit into from
May 7, 2026
Merged

board: Add StackChan board. #191

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23 changes: 17 additions & 6 deletions src/M5GFX.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -435,9 +435,9 @@ namespace m5gfx
#elif defined (CONFIG_IDF_TARGET_ESP32S3)

static constexpr int32_t i2c_freq = 400000;
static constexpr int_fast16_t aw9523_i2c_addr = 0x58; // AW9523B
static constexpr int_fast16_t axp_i2c_addr = 0x34; // AXP2101
static constexpr int_fast16_t gc0308_i2c_addr = 0x21; // GC0308
static constexpr int_fast16_t aw9523_i2c_addr = 0x58; // AW9523B
static constexpr int_fast16_t axp_i2c_addr = 0x34; // AXP2101
static constexpr int_fast16_t gc0308_i2c_addr = 0x21; // GC0308
static constexpr int_fast16_t i2c_port = I2C_NUM_1;
static constexpr int_fast16_t i2c_sda = GPIO_NUM_12;
static constexpr int_fast16_t i2c_scl = GPIO_NUM_11;
Expand Down Expand Up @@ -1364,7 +1364,8 @@ namespace m5gfx
switch (pkg_ver) {
case 0: // EFUSE_PKG_VERSION_ESP32S3: // QFN56

if (board == 0 || board == board_t::board_M5StackCoreS3 || board == board_t::board_M5StackCoreS3SE)
if (board == 0 || board == board_t::board_M5StackCoreS3 || board == board_t::board_M5StackCoreS3SE
|| board == board_t::board_M5StackChan)
{
lgfx::i2c::init(i2c_port, i2c_sda, i2c_scl);

Expand Down Expand Up @@ -1420,12 +1421,20 @@ namespace m5gfx
board = board_t::board_M5StackCoreS3;
// Camera GC0308 check (not found == M5StackCoreS3SE)
auto chk_gc = lgfx::i2c::readRegister8(i2c_port, gc0308_i2c_addr, 0x00, i2c_freq);
if (chk_gc .has_value() && chk_gc .value() == 0x9b) {
ESP_LOGI(LIBRARY_NAME, "[Autodetect] board_M5StackCoreS3");
if (chk_gc.has_value() && chk_gc.value() == 0x9b) {
auto chk_m5ioe1 = lgfx::i2c::readRegister8(i2c_port, 0x6F, 0x02, 100000); // Read firmware version
if (chk_m5ioe1.has_value() && (((uint8_t)chk_m5ioe1.value()) >= 0x04)) {
board = board_M5StackChan;
ESP_LOGI(LIBRARY_NAME, "[Autodetect] board_M5StackChan");
} else {
board = board_M5StackCoreS3;
ESP_LOGI(LIBRARY_NAME, "[Autodetect] board_M5StackCoreS3");
}
} else {
board = board_M5StackCoreS3SE;
ESP_LOGI(LIBRARY_NAME, "[Autodetect] board_M5StackCoreS3SE");
}

bus_cfg.freq_write = 40000000;
bus_cfg.freq_read = 16000000;
bus_spi->config(bus_cfg);
Expand Down Expand Up @@ -2780,6 +2789,7 @@ The usage of each pin is as follows.
case board_M5StackCore2: title = "M5StackCore2"; break;
case board_M5StackCoreS3: title = "M5StackCoreS3"; break;
case board_M5StackCoreS3SE:title = "M5StackCoreS3SE";break;
case board_M5StackChan: title = "M5StackChan"; break;
case board_M5StickC: title = "M5StickC"; break;
case board_M5StickCPlus: title = "M5StickCPlus"; break;
case board_M5StickCPlus2: title = "M5StickCPlus2"; break;
Expand Down Expand Up @@ -2857,6 +2867,7 @@ The usage of each pin is as follows.
case board_M5Stack:
case board_M5StackCoreS3:
case board_M5StackCoreS3SE:
case board_M5StackChan:
pnl_cfg.offset_rotation = 3;
r = 1;
break;
Expand Down
3 changes: 2 additions & 1 deletion src/picture_frame/picture_frame.h
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Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,8 @@ namespace m5gfx
switch (b) {
case board_M5Stack: return &picture_frame_M5Stack;
case board_M5StackCore2: return &picture_frame_M5StackCore2;
case board_M5StackCoreS3: return &picture_frame_M5StackCoreS3;
case board_M5StackCoreS3:
case board_M5StackChan: return &picture_frame_M5StackCoreS3;
case board_M5StackCoreInk: return &picture_frame_M5StackCoreInk;
case board_M5StickCPlus: return &picture_frame_M5StickCPlus;
case board_M5StickCPlus2: return &picture_frame_M5StickCPlus2;
Expand Down
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